Coffee maker

• US 5,906,844 A
• Filed: 05/02/1996
• Issued: 05/25/1999
• Est. Priority Date: 02/07/1994
• Status: Expired due to Fees

• Current Assignee: Blaser & Company AG
• Original Assignee: Blaser & Company AG
• Inventors: Zenger, Samuel, Stahli, Hans-Peter
• Primary Examiner(s): Weier, Anthony J.
• Application Number:
  US08/641,849
• Time in Patent Office: 1,118 Days
• Field of Search: 426/77, 426/433, 426/595, 426/81, 99/294, 99/295, 99/302 R, 99/304, 99/307, 206/0.5
• US Class Current: 426/77
• CPC Class Codes: A47J 31/005 Portable or compact beverage making apparatus, e.g. for travelling, for use in automotive vehicles
• CPC Class Codes: A47J 31/057 with water container separated from beverage container, the hot water passing the filter only once i.e. classical type of drip coffee makers
• CPC Class Codes: A47J 31/4475 Hot water outlets for drip coffee makers

Abstract

A coffee maker has container (3, 5), which can be closed pressure-tight, for holding powdered coffee (12). Container (3) is equipped on the inside with screen (10) on the bottom and side wall. Flat, preferably round filter pouch (11) is inserted into container (3) such that the bottom and side wall of container (3) are completely covered. Filter pouch (11) is held by screen (10) at a distance to the inside wall of the container so that the coffee can flow out easily on all sides. The hot water is injected with nozzle head (6) at a 45° angle to the center axis of the container.

Claims

1. A coffee maker comprising:

a basket including a first space therein and a drain opening;

a cylindrical screen including a peripheral wall arid a bottom and being disposed in said first space, thereby covering said drain opening;

a filter pouch containing coffee, said filter pouch arranged within said screen so as to cover said bottom and at least a portion of said peripheral wall while defining a second space therein over said coffee in a portion of said filter pouch covering said bottom of said screen, said second space being additionally partially defined about a periphery thereof by said coffee in a portion of said filter pouch covering said at least a portion of said peripheral wall;

wherein said second space in shaped so as to receive a water nozzle therein.

2. The coffee maker according to claim 1, wherein said screen is integral with said basket.

3. The coffeemaker according to claim 1, wherein said screen is detachably mounted within said basket.

4. The coffee maker according to claim 1, further comprising a cover provided with said water nozzle.

5. The coffee maker according to claim 4, wherein said water nozzle is constructed and arranged to radially project water onto a surface of said filter pouch defining said second space.

6. The coffee maker according to claim 4, wherein said water nozzle is constructed and arranged to radially project water at a 45°

angle with respect to vertical.

7. The coffee maker according to claim 1, wherein said basket is round in transverse cross section, and said filter pouch is disk-shaped and has a diameter larger than a diameter of said basket.

8. The coffee maker according to claim 1, further comprising:

a brewed coffee storage portion located below said basket having said screen and said coffee pouch therein so as to be able to collect brewed coffee falling from said drain opening;

a cover for said basket, said cover being provided with a water nozzle;

means for providing hot water to said water nozzle; and

a basket lifting mechanism having a surface on which said basket is received, said lifting mechanism being constructed and arranged to alternatively raise said basket upwardly so as to be closed by said cover and lower said basket whereby said basket can be removed from said surface, said basket lifting mechanism including means for conveying coffee draining from said basket to said brewed coffee storage portion.

9. The coffee maker of claim 8, wherein said brewed coffee storage portion includes an outlet cock by which brewed coffee is drained from said brewed coffee storage portion.

10. The coffee maker of claim 1, wherein said filter pouch is made from filter paper.

11. The coffee maker of claim 3, wherein said peripheral wall includes an inwardly projecting rib constructed and arranged to space said screen away from said peripheral wall.

12. The coffee maker according to claim 1, wherein said filter pouch covers said peripheral wall, such that said second space is partially defined about a periphery thereof by said coffee in said portion of said filter pouch covering said peripheral wall.